Recovery Operation
From Archon Arcana - The KeyForge Wiki
Recovery Operation • Star Alliance • Action • Common • Play: Discard the bottom 3 cards of your deck. You may put any number of the discarded cards on top of your deck in any order. • Artist: Leo Sá • Card Number: PV:286
Commentary
When resolving the ability of Recovery Operation, "any number" can be treated as zero.
Source: "Any Number"